https://www.ebay.ca/itm/220V-150W-35x45mm-Injection-Machine-Stainless-Steel-Band-Heater-2-Wire-Ceramic/303001242510?hash=item468c480b8e:g:RpMAAOSwEONcGNEx:rk:37:pf:0 6 dollar order then attach it to a pipe with augger also the hopper might need to be heated aswell if using shreaded PET plastic(pop bottles) and relay somewhat the same way as 3d printed filament is made.